Mental phenomena can only be understood in terms of their consequences for action.

量子通信的安全性来自物理定律，而不是计算复杂性。

The more you give, the more you receive.

注释：杜绝不良嗜好和欲望，这样才能免除负累。抑制不合理的行为，减少邪恶的行径，这样可以避免过失。远离酒色，这样才能保持自身清白。

The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.

我会设身处地地为站在我面前的人着想。